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78Q8392L

Low Power Ethernet Coaxial Transceiver

TDK Corporation 

78Q8392L

Low Power Ethernet

Coaxial Transceiver

ELECTRICAL SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings indicate limits beyond which permanent damage may occur. Continuous operation at

these limits is not recommended; operations should be limited to those conditions specified under recommended

operating characteristics.

PARAMETER

Supply Voltage

Input Voltage

Storage Temperature

Soldering (Reflow or Dip)

Package power dissipation

RATING

-10V

0 to VEE

-65 to 150°C

235°C for 10 sec

1.0 watts @ 25°C

DC OPERATING CHARACTERISTICS

0°C ≤ T (ambient) ≤ +70°C, VEE = -9V ± 5%

PARAMETER

IEE1

Supply current out of

VEE pin - non-transmitting

IEE2

Supply current out of

VEE pin - transmitting

IRXI

Receive input bias

current (RXI)

ITDC

Transmit output dc

current level (TXO)

ITAC

Transmit output ac

current level (TXO)

VCD

Collision threshold

(Receive mode)

VOD

Differential output voltage

(RX±, CD±)

VOC

Common mode output

voltage (RX±, CD±)

VOB

Differential output voltage

imbalance (RX±, CD±)

VTS

Transmitter squelch

threshold (TX±)

CX

Input capacitance (RXI)

RRXI

Shunt resistance –

non-transmitting (RXI)

RTXO

Shunt resistance –

transmitting (TXO)

CONDITION

See Note 3

See Note 4

See Notes 4 & 5

See Note 9

See Notes 3 & 7

See Note 3, 6 & 7

See Notes 3, 7 & 8

See Note 3

See Note 4

MIN NOM MAX

6

8

UNIT

mA

50

65

mA

-2

+25

µA

37

41

45

mA

±28

ITDC

mA

-1.58 -1.52 -1.404

V

±550

±1200

mV

-3.0

-2.5

-2.0

V

±40

mV

-340 -260 -200

mV

1.2

pF

100

150

kΩ

200

kΩ

5

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